DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 6260 | 7600 | 9600 | 6580 | 14800 | 19000 | 36800 | 23500 | 12700 | 18900 | 6140 | 6880 |
2 | 3580 | 7150 | 8740 | 7400 | 16500 | 18300 | 40800 | 26100 | 13800 | 17600 | 6630 | 7100 |
3 | 4510 | 7040 | 9390 | 9680 | 19100 | 17800 | 40200 | 25700 | 12300 | 16900 | 6240 | 5770 |
4 | 4900 | 6890 | 8960 | 12700 | 21300 | 17200 | 35900 | 24400 | 11900 | 18000 | 6930 | 6320 |
5 | 3270 | 6720 | 8280 | 19200 | 20000 | 16300 | 32700 | 23400 | 11500 | 18200 | 14700 | 5950 |
6 | e3500 | 6870 | 8510 | 24200 | 18700 | 15600 | 30500 | 25300 | 11200 | 20100 | 17900 | 5870 |
7 | e5600 | 6690 | 7950 | 28900 | 17700 | 15700 | 28300 | 30900 | 11400 | 22800 | 16600 | 8280 |
8 | 7070 | 6810 | 7330 | 30500 | 16700 | 16500 | 27700 | 53700 | 10200 | 27700 | 15800 | 11100 |
9 | 6550 | 6340 | 6610 | 32400 | 16500 | 21000 | 32900 | 80800 | 12600 | 29300 | 16700 | 9810 |
10 | 5880 | 6710 | 7890 | 37100 | 15700 | 25300 | 33900 | 85900 | 13600 | 27700 | 16600 | 8730 |
11 | 5680 | 6030 | 8720 | 36100 | 17100 | 28900 | 32700 | 74100 | 20300 | 26400 | 15400 | e7800 |
12 | 3600 | 5270 | 8080 | 34600 | 23400 | 27900 | 28900 | 61900 | 29000 | 24600 | 14000 | e6000 |
13 | 5870 | 5690 | 8050 | e31500 | 26300 | 26800 | 31200 | 57100 | 35900 | 22100 | 11400 | e5600 |
14 | 6050 | 5350 | 7670 | e29500 | 25700 | 27900 | 30700 | 51900 | 37900 | 19300 | 10400 | e5800 |
15 | 4690 | 6200 | 6750 | e27000 | 23900 | 25800 | 28300 | 45200 | 34600 | 17000 | 9670 | e5500 |
16 | 5510 | 6040 | 7200 | e25000 | 23300 | 25000 | 28500 | e42500 | 31500 | 16100 | 9510 | e6100 |
17 | 4830 | 4790 | 6880 | e23000 | 22600 | 24700 | 27600 | e38500 | 31200 | 13800 | 8610 | e6700 |
18 | 5070 | 5860 | 6410 | e22000 | 22400 | 34800 | 27500 | e35000 | 29000 | 12500 | 8280 | e6000 |
19 | 4620 | 5080 | 6670 | e20500 | 24200 | 53300 | 27200 | e32000 | 30100 | 11800 | 8450 | e5300 |
20 | 5170 | 5230 | 7410 | e19500 | 24700 | 66900 | 26100 | 28300 | 29300 | 12200 | 7370 | e4800 |
21 | 5690 | 5670 | 7510 | 18400 | 23400 | 62800 | 26500 | 25600 | 28400 | 11500 | 6810 | e5300 |
22 | 4910 | 5370 | 6010 | 17000 | 22600 | 58700 | 28000 | 23100 | 25400 | 12800 | 6710 | 5830 |
23 | 4210 | 5330 | 7710 | e16000 | 21500 | 58100 | 27900 | 20700 | 23200 | 13000 | 6410 | 4210 |
24 | 5790 | 4360 | 7980 | e15200 | 20500 | 53900 | 27500 | 18500 | 20000 | 12900 | 7580 | 4040 |
25 | 5660 | 4700 | 9110 | e14700 | 19100 | 48500 | 25700 | 19600 | 18300 | 11800 | 9890 | 4580 |
26 | 5560 | 6140 | 10600 | e14300 | 18600 | 43600 | 26100 | 17600 | 18700 | 11300 | 8760 | 3270 |
27 | 7230 | 4810 | 11800 | e14000 | 18200 | 40100 | 25500 | 16600 | 18500 | 10400 | 8900 | 6010 |
28 | 9090 | 7390 | 10300 | 13400 | 19600 | 41900 | 23200 | 15300 | 19100 | 8640 | 9400 | 3650 |
29 | 7210 | 8730 | 11300 | 13700 | --- | 35200 | 22400 | 16100 | 16900 | 8740 | 8450 | 5260 |
30 | e5000 | 11300 | 10500 | 13700 | --- | 34200 | 22200 | 12500 | 18400 | 7270 | 8970 | 4790 |
31 | 6590 | --- | 9690 | 13900 | --- | 34900 | --- | 15200 | --- | 7060 | 7760 | --- |
TOTAL | 169150 | 188160 | 259610 | 641660 | 574100 | 1036600 | 883400 | 1067000 | 636900 | 508410 | 316970 | 182350 |
MEAN | 5456 | 6272 | 8375 | 20700 | 20500 | 33440 | 29450 | 34420 | 21230 | 16400 | 10220 | 6078 |
MAX | 9090 | 11300 | 11800 | 37100 | 26300 | 66900 | 40800 | 85900 | 37900 | 29300 | 17900 | 11100 |
MIN | 3270 | 4360 | 6010 | 6580 | 14800 | 15600 | 22200 | 12500 | 10200 | 7060 | 6140 | 3270 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1982 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 9481 | 13720 | 16560 | 14620 | 17020 | 25170 | 23800 | 18960 | 16850 | 13250 | 9858 | 9614 |
MAX | 23990 | 31730 | 51370 | 36120 | 32640 | 55690 | 48890 | 34420 | 33600 | 28840 | 18640 | 26090 |
(WY) | 1994 | 1986 | 1983 | 1993 | 1997 | 1982 | 1983 | 1998 | 1996 | 1993 | 1993 | 1993 |
MIN | 5456 | 6272 | 4698 | 7102 | 7176 | 8202 | 10770 | 8544 | 7199 | 5669 | 3739 | 2687 |
(WY) | 1998 | 1998 | 1990 | 1996 | 1996 | 1996 | 1986 | 1989 | 1988 | 1991 | 1991 | 1991 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1982 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 5107610 | 6464310 | ||||
ANNUAL MEAN | 13990 | 17710 | 15730 | |||
HIGHEST ANNUAL MEAN | 24470 | 1993 | ||||
LOWEST ANNUAL MEAN | 10780 | 1992 | ||||
HIGHEST DAILY MEAN | 111000 | Feb 23 | 85900 | May 10 | 111000 | Feb 23 1997 |
LOWEST DAILY MEAN | 3270 | Oct 5 | 3270 | Oct 5, Sep 26 | 2040 | Sep 27 1991 |
ANNUAL SEVEN-DAY MINIMUM | 4520 | Oct 1 | 4430 | Sep 23 | 2140 | Sep 24 1991 |
INSTANTANEOUS PEAK FLOW | 88900 | May 10 | 117000 A | Feb 23 1997 | ||
INSTANTANEOUS PEAK STAGE | 27.36 | May 11 | 32.02 | Mar 7 1985 | ||
INSTANTANEOUS LOW FLOW | 940 B | Sep 25 | ||||
10 PERCENT EXCEEDS | 22400 | 33300 | 30000 | |||
50 PERCENT EXCEEDS | 10300 | 14700 | 11800 | |||
90 PERCENT EXCEEDS | 5550 | 5540 | 6200 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |